RSC Advances · 2019 · 26 citations · 34 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsMaterials PhysicsOptical MaterialsCrystal ChemistryLuminescent MaterialsOptical Properties Of SolidsPerovskite MaterialsRare-earth-doped MaterialsUpconversion MaterialsBarium TitanateLanthanide LuminescenceLanthanide-doped MaterialsPerovskite Luminescent MaterialsRare-earth-doped Luminescent MaterialsTemperature-dependent Upconversion EmissionUpconversion LuminescenceUpconversion Luminescence Mechanisms
At the critical temperature, B-site doping with erbium shows abnormal upconversion efficiency as a function of temperature in perovskite crystals, which was attributed to the symmetry of the crystalline structure around the erbium ions.
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Optical Absorption Intensities of Rare-Earth Ions
B. R. Judd · Physical Review · 1962 · 8K citations · Full text
Natural Sciences, Chemistry, Physics +14
Intensities of Crystal Spectra of Rare-Earth Ions
G. S. Ofelt · The Journal of Chemical Physics · 1962 · 7.4K citations